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Table 5 Multinominal logistic regression analysis of number of types of blood pressure lowering drugs prescribed at six months follow up adjusted for number at baseline

From: Randomized trial evaluating the framing of cardiovascular risk and its impact on blood pressure control [ISRCTN87597585]

  Odds ratio (95% CI) compared with 0–1 classes of drug
  2 drugs ≥ 3 drugs
Risk presented as NNT 1 1
Risk presented as AR 0.98 (0.50 to 1.96) 1.79 (0.82 to 3.95)
  1. Χ2 on 2 degrees of freedom = 3.4 p = 0.18